Cultivator.



. J. A. KING.

OULTIVATOR.

I APPLIOATFWN FILED APR. 23, L906. I 922,000, Patented May 18, 1909.

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UNITED STATES orrrrcn JAMES A. KING, OF THREE RIVERS, MICHIGAN, ASSIGNOROF TWO-THIRDS TO ISAAC SPAULDING AND ARTILLUS H. BANKER, OF THREERIVERS, MICHIGAN.

CULTIVA'IOR.

Application filed April 23,

To all whom it may concern:

Be it known that I, JAMES A. KING, a citizen of the United States,residing at Three Rivers, county of St. Joseph, State of Michigan, haveinvented certain new and useful Im rovements in Cultivators, of whichthe fol owing is a specification.

This invention relates to improvements in cultivators. I haveillustrated the same herein adapted as a cultivator for beets and likeroots, although it is evident that it is adapted for use in variousrelations.

The objects of this invention are, first, to provide an improvedcultivator which is soils in varying conditions, to substantially thesame depth without adjusting the cultivator for soil or condition.Second, to provide an improved cultivator in which the draft of thecultivator tends to force the teeth into the ground that is, when theground is hard, more power is required to draw the cultivator, and thisincreased power adds increased pressure to the teeth or shovels to forcethem into the ground. Third, to provide an improved cultivator embodyingthe above advantages which is simple and economical in structure andstrong and durable.

Further objects, and objects relating to structural details, willdefinitely appear from the detailed description to follow.

I accomplish the objects of my invention by the devices and meansdescribed in the following specification.

The invention is clearly defined and pointed out in the claims.

A structure embodying the features of my invention is clearlyillustrated in the accompanying drawing forming a part of thisspeciication, in which- Figure 1 is a perspective view of a struc tureembodying the features of my invention. Fig. 2 is an enlarged detailshowing the coupling or connection for the thills or shafts to the bracearms a a of the shafts to the bars a. Fig. 3 is a detail verticalsection showing the hinge or pivoted coupling for the forward ends ofthe bars B to the axle. Fig. 4 is a detail vertical section showing thehinge or ivoted connection from-the rear ends of the bars B to the toothcarrying frame. Fig. 5 is a detail side elevation showing the relationof the shaft bars a with the tooth-carrying bars or links B and thethills, the movement of the parts being indicated by dotted lines.

Specification of Letters Patent.

Patented May 18, 1909.

1906. Serial No. 313,263.

Referring to the drawing, A is the axle and A the carrying wheels. Onthe axle A are mounted brackets A. To these brackets are rigidly secureddownwardly and forwardly projecting draft bars a. On the brackets A areupwardly projecting hinge members A. The bars or links B are secured tothe brackets A by the vertical pivots b, which are arranged throughsuitable ears on the hinged members B to which the bars B are rigidlybolted. This permits the lateral swinging of the bars B, but preventsthe vertical swing thereof relative to the brackets A.

On the rear end of the bars B is secured the beam or frame O. The teethor shovelstandards C are adjustably secured to the frame 0 by means ofbolts 0 which are arranged through suitable longitudinal slots 0 in thestandards. By this means the vertical position of the teeth may beadjusted.

On the lower ends of the standards are suitable shovels or teeth C,which may of course be of any form desired, those I have illustratedbeing especially designed for the cultivation of beets or like roots.

The frame O is pivotally connected to the l B and the verticallyarranged hinge pivots j b. The operating handles I) are secured to i thebars or links B. By this arrangement l the teeth carrying frame C may beswung j laterally. By pivoting the frame C to the l bars B thecultivator teeth or shovels maintain their proper positionthat is, theirposi tion relative to the draft is not affected by the swinging of theframe.

The thills or shafts E are connected by the downwardly projecting bracearms a a to the forward ends of the bars a by the bolts a. The arms a aare pivotally connected to the draft bars a, the lower ends of a pair ofarms being arranged on each side of the draft bars and properly spacedto permit ivotal movement by means of the sleeves a on the bolts ct ofthe draft bars.

To assist in securing any depth of cultivation I provide a springcounterbalance for the teeth. This consists preferably of an arm Fprojecting upwardly and rearwardly from the axle. As the brackets A aresecured to the axle, when the axle is rocked it acts upon the brackets.

The arm F is connected to an arm G on the cross-bar E of the shafts bymeans of the links 9 andf and the spring I. The link rear ends of thebars B by hinge members f is connected to the arm F and to one end ofthe spring I, and the link is connected to the arm G and to theotherend-of the spring I. The link 9 is threaded, and the hand-nut g isprovided therefor, whereby the tension of the spring I may be regulated.

With the parts thus arranged, the draft or reduced, thereby allowingmore of the weight of the cultivator to be carried by the wheels, sothat the ground is cultivated to an even depth without any adjustment ofthe cultivator. That is, of course, a very great advantage.

hinging the teeth carrying frame C to the rear ends of the bars thesamemay be easily swung from side to side to follow the row, and no matterin what positionthe teeth always maintain their properrelation to theline of draft.

In transporting the cultivator from field to field the bars B areelevated until the loops is may be engaged on the hooks K which arecarried by the rearcross-piece E of the thills or shafts.

The counterbalance spring I prevents the teeth running deeper than isdesired. By means of the adjustment of the spring the same can be set'asconditions may require. In the drawing the structure is illustrated withthe teeth entirely out of the ground, so thatthere is no pull upon thespring.

My improved cultivator is very easy to manipulate and the teeth are veryeasily guided. I have illustrated and described the same in detail in.the form preferred by me on account of convenience in operation andmanufacture; I am, however, aware that it is capable of very greatvariation in structuraldetails without departing from my invention.

I-Ia'vingthus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

1. In a cultivator, the combination with the carrying wheels and axle,of brackets mounted on said axle; forwardly and downwardly projectingdraft'bars rigidly secured to said brackets; a tooth carrying frame;carrying arms therefor 'pivotally secured thereto and to said bracket byvertically arranged pivots whereby said tooth carrying frame is loweredby the upward movement of said draft bars and raised by the downwardmovement thereof; shafts having downwardly projecting arms pivotallysecured to Y the forward ends-of said draft bars; an upwardly projectingdraftbars rigidly secured to said brackets; a tooth carrying frame; carrying, arms therefo'r pivotally secured thereto and to said bracketbyvertically arranged" pivots whereby said tooth carrying frame is loweredby the upward movement of said r I draft bars and raised by the downwardmove ment thereof; and shafts having downwardly projecting armspivotally'secured to the forward ends of said draftbars, for the purposespecified. i

3. In a cultivator the combination with the carrying wheels and axle, ofbrackets mounted on said axle; forwardly and downwardly projectingdraftbars rigidly secured to said brackets; a tooth carrying frame; and

carr in arms therefor ivotall secured 1 thereto and to said bracket byvertically ar y ranged pivots whereby said tooth carrying frame isowered by the upward movement of said draft bars and raised by thedownward movement thereof.

4. In a cultivator, the combination with I the carrying wheels and axle,of brackets mounted on said axle; forwardly and downwardly projectingdraft bars rigidly secured to said brackets; a tooth carrying framepivotally connected to said bracket by verti cally arranged pivotswhereby said tooth carrying frame islowered by the upward. movement ofsaid, draft bars and raised -bythe downward movement thereof; shaftshaving downwardly projecting arms pivotally secured to the forward endsof said draft bars; an upwardly and rearwardly projecting arm on saidaxle; a spring connected thereto and to said shafts; andmeans foradjusting the tension of said spring, for the purpose specified.

5. In a cultivator,'the combination with d the carrying wheels and axle,of brackets mounted on said axle; forwardly and downwardlyrojectingdraft'bars rigidlysecured to said rackets; a tooth carryingframepiv- 'otally connected to said bracket by verti cally arrangedpivots whereby said tooth" carrying frame is lowered by the upwardmovement of said draft bars and raised the downward movement thereof;and shafts having downwardly projectingarms ivotally secured to theforward ends of saic draft bars, for the urpose's'pecifie d.

6. In a cu tivator, the combination with the carrying wheels and axle,of bracket-s mounted on said axle;'forwardly an y wardly rejecting draftbars rigidly secured In Witness whereof, I have hereunto set to saidrackets and a, tooth cgrryjng frame my hand and S631 111 the presence 0ttWO Wlt- 1b pivotally connected to said bracket by verti- 1165898- oallyarranged Fivots whereby said tooth car- JAMES A KING rying frame isowered by the upward movement of said draft bars and raised by theWitnesses:

downward movement thereof, for the pur- E. I. LINSLEY,

pose specified. A. H. BANKER.

